About OPS 0252
Group: 3 satellites
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Live Position
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Upcoming Passes
Altitude History
Altitude vs Time
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Two-Line Element Set
1 13791U 83008A 26016.34230082 .00001452 00000-0 18904-3 0 9994
2 13791 63.3079 354.2780 0695254 133.7157 232.3681 13.86058272 85233
Epoch: Jan 16, 2026 •
Age: 14 hours
Current Status
Altitude 1466.1 km
Velocity 6.88 km/s
Sub-Earth Point -41.51°S,
117.05°W
Launch Date Feb 9, 1983
Age 42.9 years
Type other
Technical Details
Classification Payload
Mass 559.00 kg
Dry Mass 559.00 kg
Total Mass 590.00 kg
Length 1.60 m
Diameter 1.50 m
Span 2.70 m
Shape Box + Ant
Manufacturer MM
Bus Type NOSS MSD
Phase Status Attached in Orbit
Owner/State NRO/NRL/US
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